Hi Larry, > Does anyone can tell me where the array __per_cpu_offset is initialized on > x86_64 arch, > I remembered it was initialized in function setup_per_cpu_areas, > but it seems that it is not the case on x86-64 arch. It seems your memory is right and code is shared with x86. https://elixir.bootlin.com/linux/latest/source/arch/x86/kernel/setup_percpu.c#L29 Laurent. -- « On ne résout pas un problème avec les modes de pensée qui l’ont engendré. » « You cannot solve a problem with the same thinking that created it. » _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies